SMMBTA56LT3GAlternatives & Equivalent Parts
About SMMBTA56LT3G
SMMBTA56LT3G is a Transistor BJT PNP component manufactured by ON Semiconductor. It comes in a SOT23 (3-Pin) package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
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Specification Comparison
| Parameter | SMMBTA56LT3GSource | B57127P0100M301 | UC2844BD1R2G | 87438-0843 |
|---|---|---|---|---|
| Manufacturer | ON Semiconductor | EPCOS | ON Semiconductor | Molex |
| Package Type | SOT23 (3-Pin) | Other | Small Outline Packages | Other |
| Pin Count | 3 | 2 | 8 | 16 |
| Temperature Range | ~ 150.0°C | -55.0°C ~ 170.0°C | -25.0°C ~ 85.0°C | -55.0°C ~ 105.0°C |
| Price | $0.0440 | $1.4400 | $0.1978 | $0.3455 |
| Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | ||||
| Pbfree Code | Yes | — | Yes | Yes |
| Manufacturer Package Code | 318 | — | 751-07 | — |
| Factory Lead Time | 10 Weeks | 8 Weeks | — | 22 Weeks |
| YTEOL | 7 | 6.96 | 6 | 8 |
| Collector Current-Max (IC) | 0.5 A | — | — | — |
| Collector-Emitter Voltage-Max | 80 V | — | — | — |
| Configuration | SINGLE | — | — | — |
| DC Current Gain-Min (hFE) | 100 | — | — | — |
| JEDEC-95 Code | TO-236AB | — | — | — |
| JESD-30 Code | R-PDSO-G3 | — | R-PDSO-G8 | — |
| JESD-609 Code | e3 | e3 | e3 | e3 |
| Number of Elements | 1 | — | — | — |
| Package Body Material | PLASTIC/EPOXY | — | PLASTIC/EPOXY | — |
| Package Shape | RECTANGULAR | — | RECTANGULAR | — |
| Package Style | SMALL OUTLINE | Radial | SMALL OUTLINE | — |
| Peak Reflow Temperature (Cel) | 260 | — | 260 | — |
| Polarity/Channel Type | PNP | — | — | — |
| Power Dissipation-Max (Abs) | 0.3 W | — | — | — |
| Reference Standard | AEC-Q101 | UL | — | UL |
| Surface Mount | YES | NO | YES | — |
| Terminal Finish | Matte Tin (Sn) - annealed | Tin (Sn) | Matte Tin (Sn) - annealed | — |
| Terminal Form | GULL WING | — | GULL WING | — |
| Terminal Position | DUAL | — | DUAL | — |
| Time@Peak Reflow Temperature-Max (s) | 30 | — | 30 | — |
| Transistor Application | AMPLIFIER | — | — | — |
| Transistor Element Material | SILICON | — | — | — |
| Transition Frequency-Nom (fT) | 50 MHz | — | — | — |
| Reach Compliance Code | — | Not Compliant | — | Compliant |
| Additional Feature | — | FLAME PROOF | — | — |
| Energy Absorbing Capacity-Max | — | 200 J | — | — |
| Mounting Feature | — | THROUGH HOLE MOUNT | — | — |
| Package Height | — | 39 mm | — | — |
| Package Length | — | 31 mm | — | — |
| Package Width | — | 7 mm | — | — |
| Packing Method | — | BULK | — | — |
| Rated Power Dissipation (P) | — | 10 W | — | — |
| Rated Temperature | — | 25 °C | — | — |
| Resistance | — | 10 Ω | — | — |
| Resistor Type | — | NTC THERMISTOR | — | — |
| Terminal Placement | — | RADIAL | — | — |
| Terminal Shape | — | WIRE | — | — |
| Thermistor Application | — | TEMPERATURE SENSING | — | — |
| Tolerance | — | 20% | — | — |
| Analog IC - Other Type | — | — | SWITCHING CONTROLLER | — |
| Control Mode | — | — | CURRENT-MODE | — |
| Control Technique | — | — | PULSE WIDTH MODULATION | — |
| Input Voltage-Max | — | — | 25 V | — |
| Input Voltage-Min | — | — | 12 V | — |
| Input Voltage-Nom | — | — | 15 V | — |
| Number of Functions | — | — | 1 | — |
| Output Current-Max | — | — | 1 A | — |
| Package Equivalence Code | — | — | SOP8,.25 | — |
| Qualification Status | — | — | Not Qualified | — |
| Supply Current-Max (Isup) | — | — | 17 mA | — |
| Switcher Configuration | — | — | SINGLE | — |
| Switching Frequency-Max | — | — | 275 kHz | — |
| Technology | — | — | BIPOLAR | — |
| Temperature Grade | — | — | OTHER | — |
| Terminal Pitch | — | — | 1.27 mm | 1.5 mm |
| Body Breadth | — | — | — | 0.175 inch |
| Body Depth | — | — | — | 0.305 inch |
| Body Length | — | — | — | 0.523 inch |
| Body/Shell Style | — | — | — | PLUG |
| Connector Type | — | — | — | BOARD CONNECTOR |
| Contact Finish Mating | — | — | — | NOT SPECIFIED |
| Contact Finish Termination | — | — | — | Matte Tin (Sn) - with Nickel (Ni) barrier |
| Contact Gender | — | — | — | MALE |
| Contact Material | — | — | — | BRASS |
| Contact Pattern | — | — | — | RECTANGULAR |
| Contact Resistance | — | — | — | 40 mΩ |
| Contact Style | — | — | — | SQ PIN-SKT |
| DIN Conformance | — | — | — | NO |
| Dielectric Withstanding Voltage | — | — | — | 700VAC V |
| Durability | — | — | — | 10 Cycles |
| Filter Feature | — | — | — | NO |
| IEC Conformance | — | — | — | NO |
| Insulation Resistance | — | — | — | 1000000000 Ω |
| Insulator Color | — | — | — | BEIGE |
| Insulator Material | — | — | — | GLASS FILLED POLYAMIDE |
| MIL Conformance | — | — | — | NO |
| Mating Contact Pitch | — | — | — | 0.059 inch |
| Mating Information | — | — | — | MULTIPLE MATING PARTS AVAILABLE |
| Mixed Contacts | — | — | — | NO |
| Mounting Option 1 | — | — | — | LOCKING |
| Mounting Style | — | — | — | RIGHT ANGLE |
| Mounting Type | — | — | — | BOARD |
| Number Of Connectors | — | — | — | ONE |
| Number Of PCB Rows | — | — | — | 1 |
| Number of Rows Loaded | — | — | — | 1 |
| Option | — | — | — | GENERAL PURPOSE |
| PCB Contact Pattern | — | — | — | RECTANGULAR |
| Plating Thickness | — | — | — | 100u inch |
| Polarization Key | — | — | — | POLARIZED HOUSING |
| Rated Current (Signal) | — | — | — | 2.5 A |
| Termination Type | — | — | — | SURFACE MOUNT |
| Total Number of Contacts | — | — | — | 8 |
| UL Flammability Code | — | — | — | 94V-0 |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Need pricing on these alternatives?
Get one quote covering all 3 alternatives for SMMBTA56LT3G — response within 24 hours.
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Why Look for Alternatives?
Finding alternatives for SMMBTA56LT3G is essential for supply chain resilience. Component shortages, long lead times, and end-of-life notices can disrupt production schedules. Having verified alternative parts ensures your designs remain manufacturable.
When evaluating SMMBTA56LT3G replacements, consider key parameters such as package compatibility, electrical specifications, and operating temperature range. Our engineering team can help verify pin-to-pin compatibility for your specific application.
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FAQ
What is equivalent to SMMBTA56LT3G?
Known equivalents for SMMBTA56LT3G include B57127P0100M301, UC2844BD1R2G, 87438-0843. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of SMMBTA56LT3G?
In many cases, yes. Cross-manufacturer alternatives exist for most standard components. However, always verify pin compatibility, electrical specs, and package dimensions before substituting in production.
How do I verify SMMBTA56LT3G alternatives?
Compare the datasheet specifications including pinout, voltage ratings, timing parameters, and package dimensions. FindMyChip's engineering team can help with compatibility verification — submit an RFQ to get started.